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GB2420832B - Self-lubricating bearing - Google Patents

Self-lubricating bearing

Info

Publication number
GB2420832B
GB2420832B GB0426633A GB0426633A GB2420832B GB 2420832 B GB2420832 B GB 2420832B GB 0426633 A GB0426633 A GB 0426633A GB 0426633 A GB0426633 A GB 0426633A GB 2420832 B GB2420832 B GB 2420832B
Authority
GB
United Kingdom
Prior art keywords
self
counterface
lubricating bearing
lubricating
bearing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
GB0426633A
Other versions
GB2420832A (en
GB0426633D0 (en
Inventor
Paul Smith
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Minebea Co Ltd
Original Assignee
Minebea Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Minebea Co Ltd filed Critical Minebea Co Ltd
Priority to GB0426633A priority Critical patent/GB2420832B/en
Publication of GB0426633D0 publication Critical patent/GB0426633D0/en
Priority to AT05023404T priority patent/ATE430816T1/en
Priority to DE602005014324T priority patent/DE602005014324D1/en
Priority to EP05023404A priority patent/EP1666628B1/en
Priority to US11/281,521 priority patent/US20060120644A1/en
Priority to JP2005342136A priority patent/JP2006162068A/en
Priority to CNA2005101274372A priority patent/CN1782453A/en
Publication of GB2420832A publication Critical patent/GB2420832A/en
Application granted granted Critical
Publication of GB2420832B publication Critical patent/GB2420832B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C11/00—Pivots; Pivotal connections
    • F16C11/04—Pivotal connections
    • F16C11/06—Ball-joints; Other joints having more than one degree of angular freedom, i.e. universal joints
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/02—Pretreatment of the material to be coated
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/08—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases only one element being applied
    • C23C8/24—Nitriding
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/06—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases
    • C23C8/36—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals using gases using ionised gases, e.g. ionitriding
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23C—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; SURFACE TREATMENT OF METALLIC MATERIAL BY DIFFUSION INTO THE SURFACE, BY CHEMICAL CONVERSION OR SUBSTITUTION; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL
    • C23C8/00—Solid state diffusion of only non-metal elements into metallic material surfaces; Chemical surface treatment of metallic material by reaction of the surface with a reactive gas, leaving reaction products of surface material in the coating, e.g. conversion coatings, passivation of metals
    • C23C8/80—After-treatment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C23/00—Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/02—Sliding-contact bearings
    • F16C23/04—Sliding-contact bearings self-adjusting
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/12—Structural composition; Use of special materials or surface treatments, e.g. for rust-proofing
    • F16C33/121—Use of special materials
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/02—Parts of sliding-contact bearings
    • F16C33/04—Brasses; Bushes; Linings
    • F16C33/06—Sliding surface mainly made of metal
    • F16C33/14—Special methods of manufacture; Running-in
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00—Assembling bearings
    • F16C43/02—Assembling sliding-contact bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2204/00—Metallic materials; Alloys
    • F16C2204/40—Alloys based on refractory metals
    • F16C2204/42—Alloys based on titanium
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2220/00—Shaping
    • F16C2220/60—Shaping by removing material, e.g. machining
    • F16C2220/70—Shaping by removing material, e.g. machining by grinding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/10—Hardening, e.g. carburizing, carbo-nitriding
    • F16C2223/14—Hardening, e.g. carburizing, carbo-nitriding with nitriding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/30—Coating surfaces
    • F16C2223/60—Coating surfaces by vapour deposition, e.g. PVD, CVD
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2223/00—Surface treatments; Hardening; Coating
    • F16C2223/30—Coating surfaces
    • F16C2223/70—Coating surfaces by electroplating or electrolytic coating, e.g. anodising, galvanising

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Sliding-Contact Bearings (AREA)
  • Solid-Phase Diffusion Into Metallic Material Surfaces (AREA)
  • Lubricants (AREA)

Abstract

A self-lubricating bearing comprising a self-lubricating liner and a bearing element having a counterface in sliding contact with the liner. The bearing element is of a titanium alloy having a nitride diffusion layer at the counterface, and the counterface has a surface roughness less than 18 nm.
GB0426633A 2004-12-03 2004-12-03 Self-lubricating bearing Expired - Lifetime GB2420832B (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
GB0426633A GB2420832B (en) 2004-12-03 2004-12-03 Self-lubricating bearing
AT05023404T ATE430816T1 (en) 2004-12-03 2005-10-26 BEARING HAVING A SELF-LUBRICATING LAYER OF A BEARING PART IN SLIDING CONTACT WITH A NITRIDER-HARDENED MATCHING SURFACE OF A TITANIUM BEARING PART
DE602005014324T DE602005014324D1 (en) 2004-12-03 2005-10-26 Bearing with a self-lubricating layer of a bearing part in sliding contact with a nitriding hardened counter surface of a titanium bearing part
EP05023404A EP1666628B1 (en) 2004-12-03 2005-10-26 Bearing with a self-lubricating liner of one bearing element in sliding contact with a nitride hardened counterface of a titanium bearing element
US11/281,521 US20060120644A1 (en) 2004-12-03 2005-11-17 Self-lubricating bearing
JP2005342136A JP2006162068A (en) 2004-12-03 2005-11-28 Manufacturing method of self-lubricating plain bearing, self-lubricating plain bearing, bearing element member and self-lubricating spherical plain bearing
CNA2005101274372A CN1782453A (en) 2004-12-03 2005-12-02 Self-lubricating bearing

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0426633A GB2420832B (en) 2004-12-03 2004-12-03 Self-lubricating bearing

Publications (3)

Publication Number Publication Date
GB0426633D0 GB0426633D0 (en) 2005-01-05
GB2420832A GB2420832A (en) 2006-06-07
GB2420832B true GB2420832B (en) 2006-10-18

Family

ID=34044058

Family Applications (1)

Application Number Title Priority Date Filing Date
GB0426633A Expired - Lifetime GB2420832B (en) 2004-12-03 2004-12-03 Self-lubricating bearing

Country Status (7)

Country Link
US (1) US20060120644A1 (en)
EP (1) EP1666628B1 (en)
JP (1) JP2006162068A (en)
CN (1) CN1782453A (en)
AT (1) ATE430816T1 (en)
DE (1) DE602005014324D1 (en)
GB (1) GB2420832B (en)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070292062A1 (en) * 2006-01-26 2007-12-20 Roller Bearing Company Of America, Inc. Spherical bearing assembly and hinge mechanism for same
US20070223850A1 (en) * 2006-03-21 2007-09-27 Roller Bearing Company Of America, Inc. Titanium spherical plain bearing with liner and treated surface
WO2008008471A1 (en) * 2006-07-13 2008-01-17 Roller Bearing Company Of America, Inc. Hybrid spherical bearing
US7828482B2 (en) * 2006-08-28 2010-11-09 Roller Bearing Company Of America, Inc. Tungsten carbide enhanced bearing
HUE032652T2 (en) * 2006-09-14 2017-10-30 Federal-Mogul Deva Gmbh Pivot bearing with plastic outer ring and method for its manufacture
JP5117753B2 (en) * 2007-04-11 2013-01-16 本田技研工業株式会社 Sliding parts
FR2921991B1 (en) * 2007-10-09 2011-05-06 Skf Aerospace France LIGHT JOINT ROD AND METHOD OF MANUFACTURING THE SAME
GB0805224D0 (en) * 2008-03-20 2008-04-30 Minebea Co Ltd An aerospace bearing component
ES2354898B1 (en) * 2009-06-30 2012-01-25 Airbus Operations, S.L. BRACKET SUPPORT ON SMALL THICKNESS PARTS.
CN101915272A (en) * 2010-08-13 2010-12-15 大连三环复合材料技术开发有限公司 Single-slot self-lubricating oscillating bearing with outer ring provided with composite lining plates and manufacturing method thereof
DE102014107036B4 (en) * 2014-05-19 2015-12-10 Hirschmann Gmbh Spherical bearing with coated titanium ball
CN104214207B (en) * 2014-09-01 2016-07-20 安徽省水利水电勘测设计院 Super-huge Vertical Combination bearing arrangement
US10006486B2 (en) 2015-03-05 2018-06-26 Primetals Technologies USA LLC Spherical oil film bearing
JP2019173862A (en) * 2018-03-28 2019-10-10 Ntn株式会社 Slide bearing and spherical slide bearing
JP7083297B2 (en) * 2018-09-20 2022-06-10 Ntn株式会社 Machine parts
CN109185334B (en) * 2018-10-16 2019-12-13 燕山大学 inlaid self-lubricating joint bearing with compensable lubricating material
CN109236852A (en) * 2018-10-31 2019-01-18 福建龙溪轴承(集团)股份有限公司 A kind of aluminium alloy oscillating bearing and its preparation process
DE102018131021A1 (en) * 2018-12-05 2020-06-10 Schaeffler Technologies AG & Co. KG Spherical bearings
FR3091734B1 (en) * 2019-01-11 2022-06-17 Skf Svenska Kullagerfab Ab Slide bearing with improved wear resistance
CN109505857B (en) * 2019-01-11 2020-05-12 成都望锦汽车部件有限公司 Design method for lubricating spherical pair grease of automobile spherical hinge
EP3757410B1 (en) * 2019-06-28 2021-11-03 Airbus Operations (S.A.S.) Bearing assembly of a hinge coupling a first component and a second component
CN112483549A (en) * 2020-11-30 2021-03-12 江苏希西维轴承有限公司 Light self-lubricating wear-resistant joint bearing and preparation method thereof
TWI804212B (en) 2022-02-25 2023-06-01 大立光電股份有限公司 Controllable aperture stop, compact camera module and electronic device
CN117108630A (en) * 2023-08-17 2023-11-24 上海市轴承技术研究所有限公司 Self-lubricating spherical bearings and spherical surface shaping method

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685878A (en) * 1970-05-25 1972-08-22 Kacarb Products Corp Bearing construction
EP1496277A2 (en) * 2003-07-11 2005-01-12 Minebea Co., Ltd. Spherical bearing

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5137374A (en) * 1981-04-20 1992-08-11 Kamatics Corporation Titanium bearing surface
GB2170279B (en) * 1985-01-30 1988-10-19 Ampep Plc Self-lubricating bearings

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3685878A (en) * 1970-05-25 1972-08-22 Kacarb Products Corp Bearing construction
EP1496277A2 (en) * 2003-07-11 2005-01-12 Minebea Co., Ltd. Spherical bearing

Also Published As

Publication number Publication date
GB2420832A (en) 2006-06-07
GB0426633D0 (en) 2005-01-05
ATE430816T1 (en) 2009-05-15
CN1782453A (en) 2006-06-07
JP2006162068A (en) 2006-06-22
US20060120644A1 (en) 2006-06-08
EP1666628A3 (en) 2008-07-09
EP1666628B1 (en) 2009-05-06
DE602005014324D1 (en) 2009-06-18
EP1666628A2 (en) 2006-06-07

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20241202